The Toolbox
Quick Reference Charts
Common specifications, color codes, and reference tables organized by discipline.
Aviation
Standard V-speeds, US airspace classification, ATC light gun signals, METAR weather codes, and wake turbulence categories.
⚡Electrical
Resistor color code, AWG wire gauge, wire color codes, metric prefixes, dB reference, and imperial/metric conversions.
📡RF & Coax
Coaxial cable types with velocity factor and loss ratings, and RF connector types with frequency range and impedance.
🔋Power & Batteries
Battery chemistry reference, LiPo cell count and voltage specs, and drone motor KV selection guide.
🚀Drone & Rocketry
Rocket motor classification table with HPR certification levels, and LiPo battery cell count reference.
📻Amateur Radio
HAM license class privileges comparison and complete CTCSS tone reference with all 38 tones.
🔠Communication Codes
ICAO/NATO phonetic alphabet, Q codes for amateur radio and aviation, RST signal reports, and APRS status codes.
🔩Aviation Hardware
AN/MS bolt head markings, fastener identification, rivet types and identification, safety wire gauges, and cotter pin specifications.